Kasuga Station (春日駅, Kasuga-eki) is a subway station in Bunkyo, Tokyo, Japan, operated by Toei Subway. It is located next to Kōrakuen Station on the Tokyo Metro Marunouchi Line and Tokyo Metro Namboku Line. It is built under the Bunkyo City Office building.

Kasuga Station is served by the following two lines.

• Toei Mita Line (I-12)
• Toei Oedo Line (E-07)

Kasuga station has nine exits.

1	I Mita Line	for Shirokane-takanawa and Meguro MG Meguro Line for Musashi-Kosugi and Hiyoshi Sotetsu Main Line for Ebina via the Tokyu/Sotetsu Shin-Yokohama Line Sotetsu Izumino Line for Shōnandai via the Tokyu/Sotetsu Shin-Yokohama Line
2	I Mita Line	Sugamo and Nishi-Takashimadaira
3	E Ōedo Line	for Iidabashi, Tochōmae, and Hikarigaoka
4	E Ōedo Line	for Ryōgoku, and Daimon

• 
  Mita Line platforms, 2019
• 
  Oedo Line platforms, 2019

The station first opened on 30 June 1971, served by the Toei Mita Line. The Toei Oedo Line station opened on 12 December 2000.

• Kōrakuen Station

• List of railway stations in Japan

• Toei Mita Line station information (in Japanese)
• Toei Oedo Line station information (in Japanese)

35°42′35″N 139°45′12″E / 35.70972°N 139.75333°E / 35.70972; 139.75333